pip install pandas -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install pyecharts -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install fsspec -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install keyword -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install xlrd -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install odf -i https://pypi.tuna.tsinghua.edu.cn/simple



